LU3X54FT Datasheet, PDF (51/54 Pages) Agere Systems – QUAD-FET (Fast Ethernet Transceiver) for 10Base-T/100Base-TX/FX

Data Sheet
July 2000
LU3X54FT
QUAD-FET for 10Base-T/100Base-TX/FX
Timing Characteristics (Preliminary) (continued)
Table 37. 100 Mbits/s MII Receive Timing
Name
Parameter
Min
t43
TPIN± 1st Bit of J Receive Activity to CRS Asserted
—
t44
TPIN± Receive Activity to Receive Data Valid
—
t45
TPIN± Receive Activity Cease (1st bit of T) to CRS Deasserted
—
t46
TPIN± Receive Activity Cease (1st bit of T) to Receive Data Not Valid —
Max Unit
170
ns
210
ns
210
ns
210
ns
TPIN±
CRS
RX_CLK
RX_DV
RX_ER
RXD[3:0]
1st BIT OF J
t43
t44
1st BIT OF T
t45
t46
Figure 20. 100 Mbits/s MII Receive Timing
5-3747(F).d
Lucent Technologies Inc.
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